lichess dev

[Event "lion26 Arena"] [Site "http://chess-academy.net/PHxM7O5A"] [Date "2022.07.05"] [Round "-"] [White "Bogdan_Castravet"] [Black "RudolphAss"] [Result "0-1"] [UTCDate "2022.07.05"] [UTCTime "14:27:22"] [WhiteElo "1594"] [BlackElo "1986"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+11"] [Variant "Standard"] [TimeControl "300+0"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } e6 2. Nf3 d5?! { (0.09 → 0.64) Inaccuracy. Best move was Nf6. } (2... Nf6 3. d4 Be7 4. c4 d5 5. cxd5 exd5 6. Nc3 O-O 7. Bd3) 3. Ne5? { (0.64 → -0.49) Mistake. Best move was d4. } (3. d4 Nf6 4. Bd3 c5 5. O-O Nc6 6. b3 Be7 7. Nbd2 O-O 8. a3 b6 9. Bb2 Bb7) 3... Nf6 4. Nc3?! { (-0.14 → -0.92) Inaccuracy. Best move was Be2. } (4. Be2 Bd6 5. d4 Nbd7 6. f4 O-O 7. c4 Ne4 8. O-O c5) 4... Bd6?! { (-0.92 → -0.36) Inaccuracy. Best move was c5. } (4... c5 5. d4 Nc6 6. Be2 Bd6 7. f4 O-O 8. O-O Bd7 9. Bf3 cxd4 10. exd4 Qb6 11. Nxd7) 5. f4?! { (-0.36 → -0.87) Inaccuracy. Best move was d4. } (5. d4 c5 6. Nb5 Be7 7. c4 O-O 8. cxd5 exd5 9. Be2 Nc6 10. O-O Be6 11. b3 Rc8) 5... c6?! { (-0.87 → -0.06) Inaccuracy. Best move was c5. } (5... c5 6. d4 Nc6 7. Be2 O-O 8. O-O Bd7 9. Bf3 cxd4 10. exd4 Qb6 11. Nxd7 Nxd7 12. Ne2) 6. g4? { (-0.06 → -1.13) Mistake. Best move was Be2. } (6. Be2 c5 7. Nb5 Be7 8. O-O a6 9. Na3 O-O 10. c4 Nbd7 11. b3 d4 12. Nd3 Qc7) 6... h5? { (-1.13 → 0.09) Mistake. Best move was Nfd7. } (6... Nfd7 7. d4) 7. g5?! { (0.09 → -0.44) Inaccuracy. Best move was gxh5. } (7. gxh5) 7... Bxe5 8. fxe5 Ng4 9. Bh3? { (0.06 → -2.27) Mistake. Best move was d4. } (9. d4 Qxg5) 9... Qxg5 10. b3?? { (-1.67 → Mate in 10) Checkmate is now unavoidable. Best move was Qf3. } (10. Qf3 Na6) 10... Qh4+ 11. Ke2 Qf2+ 12. Kd3 Nd7?? { (Mate in 8 → -4.06) Lost forced checkmate sequence. Best move was Nxe5+. } (12... Nxe5+ 13. Kd4 c5+ 14. Kxc5 Na6+ 15. Kd6 f6 16. Bxe6 Bxe6 17. Kxe6 O-O-O 18. Nxd5 Nc5+ 19. Ke7) 13. Bxg4?? { (-4.06 → -8.94) Blunder. Best move was Ne2. } (13. Ne2 Ndxe5+) 13... Nc5+?? { (-8.94 → -3.04) Blunder. Best move was Nxe5+. } (13... Nxe5+) 14. Kd4 hxg4 15. Kxc5 b6+?? { (-2.63 → 2.71) Blunder. Best move was Qh4. } (15... Qh4 16. Ne2 g3 17. c4 a5 18. hxg3 Qxh1 19. Qxh1 Rxh1 20. Nc3 Kd8 21. Kd4 Bd7 22. Bb2) 16. Kxc6?? { (2.71 → Mate in 9) Checkmate is now unavoidable. Best move was Kb4. } (16. Kb4) 16... Bd7+ 17. Kc7 O-O?? { (Mate in 3 → -1.22) Lost forced checkmate sequence. Best move was Qh4. } (17... Qh4 18. Kd6 Qd8 19. Nb1 Qb8#) 18. Kxd7?? { (-1.22 → Mate in 6) Checkmate is now unavoidable. Best move was Qxg4. } (18. Qxg4 Rfd8) 18... Rfd8+?? { (Mate in 6 → 2.00) Lost forced checkmate sequence. Best move was Qh4. } (18... Qh4 19. Kc6 Qe7 20. Kb5 Qc5+ 21. Ka6 Rab8 22. Nb5 Qc8+ 23. Kxa7 Qb7#) 19. Kc7?? { (2.00 → Mate in 7) Checkmate is now unavoidable. Best move was Kc6. } (19. Kc6 Qf5 20. d4 Rdc8+ 21. Kb5 Rxc3 22. Ba3 Rxc2 23. Ka6 Qf2 24. Rf1 Qg2 25. Rg1 Qxh2) 19... Rac8+?? { (Mate in 7 → 2.36) Lost forced checkmate sequence. Best move was Qh4. } (19... Qh4 20. Kb7 a5 21. Qf1 Qe7+ 22. Kxb6 Qa7+ 23. Kc6 Rdc8+ 24. Kb5 Qb7+ 25. Ka4 Qb4#) 20. Kb7 d4?? { (2.03 → 5.90) Blunder. Best move was Qf5. } (20... Qf5 21. Qf1 Qxc2 22. Ka6 Rxc3 23. dxc3 Qxc3 24. Bd2 Qxd2 25. Qb5 Qc2 26. Rhc1 Qxh2 27. Rc7) 21. exd4?? { (5.90 → Mate in 8) Checkmate is now unavoidable. Best move was Qf1. } (21. Qf1) 21... Qg2+?? { (Mate in 8 → 3.69) Lost forced checkmate sequence. Best move was Qxd4. } (21... Qxd4 22. Qf1 Qc5 23. Qxf7+ Kxf7 24. Rf1+ Kg6 25. Rf6+ gxf6 26. b4 Qc6+ 27. Ka6 b5+ 28. Kxa7) 22. Kxa7?? { (3.69 → Mate in 2) Checkmate is now unavoidable. Best move was d5. } (22. d5 Rxc3) 22... Qa8+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qc6. } (22... Qc6 23. Qxg4 Ra8#) 23. Kxb6 Rc6+ 24. Kb5 Qa6+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Rb8#. } (24... Rb8#) 25. Kb4 Rb8+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Rxd4#. } (25... Rxd4#) 26. Nb5 Rxb5# { Black wins by checkmate. } 0-1